New
#81
Yup! That's the planI'm leaving the psu until last as it's the most hassle to pull out of my rig
Z370 Cold boot issue
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New #82
Try the whole thing bare bones i.e.out of the case on a wooden table or something non-conductive, you want at least 3.1v on the CMOS battery and check all USB ports for damage. I've known simple things like a short circuit on a damaged USB port cause weird and wonderful issues. Badly seated CPU was another. Then swap test one component at a time i.e. RAM stick, PSU, just borrow a known working component from another rig and try in your own. Also hard reset on the BIOS. You'll known when it's reset if clock has reset to 00:00:00 on 01/01/nnnn. Hope it's something simple and inexpensive, dude!
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New #83
I've done all of the above except testing it outside of the case which I'll do if it comes to me buying/testing another psu. Thanks for the advice
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New #84
No worries mate. Also, have someone else diag from fresh. Even the best of us can miss something inadvertently. CMOS jumper in open circuit position is another curve ball I've been thrown in the past. BIOS update and then "re reset" defaults?
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New #85
I did that too I got Paulpicks over to see if he could see anything I hadn't but he left just as confused as me This board only has the pins to short rather than a jumper. Yup! I've flashed the bios on 2 boards now, set optimized defaults and even tested different batteries. The only things not tested are the ram and psu and I have some ram ordered to test at the weekend.
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New #87
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New #89
Have you tried disabling "Fast Startup"? If you haven't it could explain why "cold boot" has issues but restart does not.
How to disable Windows 10 fast startup (and why you'd want to) | Windows Central
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New #90
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